यदि (f(x)=10x+35), तो (f(4x)-f(x)) कब (150) होगा?

If (f(x)=10x+35), when will (f(4x)-f(x)) be (150)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (x=5)

Step 1

Concept

(f(4x)-f(x)=(40x+35)-(10x+35)=30x). From (30x=150), (x=5).

Step 2

Why this answer is correct

The correct answer is B. (x=5). (f(4x)-f(x)=(40x+35)-(10x+35)=30x). From (30x=150), (x=5).

Step 3

Exam Tip

(f(4x)-f(x)=(40x+35)-(10x+35)=30x) है। (30x=150) से (x=5) है।

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यदि (f(x)=10x+35), तो (f(4x)-f(x)) कब (150) होगा? / If (f(x)=10x+35), when will (f(4x)-f(x)) be (150)?

Correct Answer: B. (x=5). Explanation: (f(4x)-f(x)=(40x+35)-(10x+35)=30x) है। (30x=150) से (x=5) है। / (f(4x)-f(x)=(40x+35)-(10x+35)=30x). From (30x=150), (x=5).

Which concept should I revise for this Mathematics MCQ?

(f(4x)-f(x)=(40x+35)-(10x+35)=30x). From (30x=150), (x=5).

What exam hint can help solve this Mathematics question?

(f(4x)-f(x)=(40x+35)-(10x+35)=30x) है। (30x=150) से (x=5) है।